1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.evaluation.value;
22
23/**
24 * This class represents a partially evaluated double value.
25 *
26 * @author Eric Lafortune
27 */
28public class UnknownDoubleValue extends DoubleValue
29{
30    // Basic unary methods.
31
32    public DoubleValue negate()
33    {
34        return this;
35    }
36
37    public IntegerValue convertToInteger()
38    {
39        return ValueFactory.INTEGER_VALUE;
40    }
41
42    public LongValue convertToLong()
43    {
44        return ValueFactory.LONG_VALUE;
45    }
46
47    public FloatValue convertToFloat()
48    {
49        return ValueFactory.FLOAT_VALUE;
50    }
51
52
53    // Basic binary methods.
54
55    public DoubleValue generalize(DoubleValue other)
56    {
57        return this;
58    }
59
60    public DoubleValue add(DoubleValue other)
61    {
62        return this;
63    }
64
65    public DoubleValue subtract(DoubleValue other)
66    {
67        return this;
68    }
69
70    public DoubleValue subtractFrom(DoubleValue other)
71    {
72        return this;
73    }
74
75    public DoubleValue multiply(DoubleValue other)
76    {
77        return this;
78    }
79
80    public DoubleValue divide(DoubleValue other)
81    {
82        return this;
83    }
84
85    public DoubleValue divideOf(DoubleValue other)
86    {
87        return this;
88    }
89
90    public DoubleValue remainder(DoubleValue other)
91    {
92        return this;
93    }
94
95    public DoubleValue remainderOf(DoubleValue other)
96    {
97        return this;
98    }
99
100    public IntegerValue compare(DoubleValue other)
101    {
102        return ValueFactory.INTEGER_VALUE;
103    }
104
105
106    // Implementations for Object.
107
108    public boolean equals(Object object)
109    {
110        return object != null &&
111               this.getClass() == object.getClass();
112    }
113
114
115    public int hashCode()
116    {
117        return this.getClass().hashCode();
118    }
119
120
121    public String toString()
122    {
123        return "d";
124    }
125}